NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Jun 18, 2026 at 2:16:27 pm CDT

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Heat Safety

Heat Advisory in effect from 11 AM Thursday through 10 PM Friday. High Temps: 90°-95°F / 32°-35°C Heat Index: 107°-114°F / 41°-46°C If you have AC, use it. Fans may not be adequate. Limit strenuous time outdoors in the afternoon. Stay hydrated. Wear light-weight, light-colored clothing.

Extreme Heat Warning in effect for all of Southeast Texas through 8 PM Thursday. Anticipate dangerous heat index values ranging between 108°F and 114°F. Utilize air conditioning, as fans may be inadequate for this extreme heat. Stay hydrated, wear light-weight clothing, and limit strenuous afternoon outdoor activities.

Heat Advisory for all of Southeast Texas, 8 PM Thursday through 10 PM Saturday. Highs of 90-95°F with dangerous heat index values between 107-114°F expected. Use air conditioning, as fans may be inadequate for this extreme heat. Stay hydrated and wear lightweight, light-colored clothing to remain cool. Limit strenuous outdoor activities, especially during the afternoon.

Follow these heat safety rules.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	13:55	Mostly Cloudy	10	92	78	63	SSE 10	107 [HI]	29.73
College Station	13:53	Mostly Cloudy	10	92	77	61	SSE 12	106 [HI]	29.70
Caldwell	13:35	Overcast	10	91	78	66	SSE 10	106 [HI]	29.71
Huntsville	13:53	Mostly Clear	10	94	76	56	S 8	107 [HI]	29.72
Navasota	13:55	Mostly Cloudy	10	93	83	72	S 9G18	119 [HI]	29.70
Brenham	13:55	Mostly Cloudy	10	93	78	61	S 10	108 [HI]	29.70
Conroe	13:53	Mostly Cloudy	10	92	78	64	SSE 13	107 [HI]	29.72
Cleveland	13:55	Partly Cloudy	10				S 7	-	29.74
Liberty	13:55	Haze	3	91	80	70	S 12G18	109 [HI]	29.72
Columbus	13:55	Mostly Cloudy	10	92	80	68	SE 7	112 [HI]	29.71
Spring	13:53	Mostly Clear	7	95	77	56	VRB 7	110 [HI]	29.71
Houston Intercontinental Aprt	13:53	Partly Cloudy	10	94	77	58	SSE 9	109 [HI]	29.71
Katy/Brookshire	13:55	Partly Cloudy	7	93	82	71	SSW 10G17	116 [HI]	29.73
Texas Medical Center Heliport	13:55	Partly Cloudy	10	91	75	59	SW 9G16	102 [HI]	29.71
Sugar Land	12:53	Mostly Clear	10	92	79	66	S 9	109 [HI]	29.71
Houston Hobby Airport	13:53	Partly Cloudy	8	93	79	63	S 9	110 [HI]	29.71
Arcola/Sienna	13:55	Mostly Cloudy	10	93	77	60	SSW 3	107 [HI]	29.73
Pearland	13:53	Mostly Clear	8	92	78	64	S 13G20	107 [HI]	29.74
Ellington Field	13:54	Partly Cloudy	10	91	78	66	SSE 14	106 [HI]	29.71
La Porte	13:55	Partly Cloudy	10	92	79	66	S 15	108 [HI]	29.73
Angleton/Lake Jackson	13:53	Mostly Cloudy	10	90	80	72	S 14G23	108 [HI]	29.73
Galveston	13:52	Haze	6	87	82	85	S 13	106 [HI]	29.75
Bay City	13:55	Mostly Cloudy	10	89	86	90	S 14	118 [HI]	29.68
Palacios	13:53	Haze	6	89	82	79	SSE 15	110 [HI]	29.70
Rig 20 Miles SE of Galveston	14:00	Mist	3	84	80	88	SE 10G16	97 [HI]	29.77
Rig 20 Miles SE of Matagorda	14:00	Mist	4	86	86	100	SSE 15	112 [HI]	29.76

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